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Analysis of Gua methylation mixture (the control) (01/01/1977)

Purpose/Intro: To compare the methylation products of guanine (one of which is 9-MeGua) to the methylation and hydrolysis products of the adduct.
Results/Conclusion: Six major peaks observed. 9-MeGua hypothesized to elute at approximately 6 minutes.
Notes: The early parts of chromatograms are notoriously unreliable. Peaks may be caused by air bubbles, material that was previously on the column, etc. An experienced investigator can (usually) tell what is an artefact and what is real data. In this case, the shaded peak is an artefact.

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